Last updated: July 31, 2026 | Written by: [VERIFY: Author Name, Automotive Editor] | Reviewed by: [VERIFY: Technical Reviewer, B58/Supra Specialist]. Rechecked against Toyota’s U.S. engineering releases for the 2020, 2021, 2022, 2023, and 2026 GR Supra.
The Toyota Supra A90 vs A91 comparison is not a clean trim split. Toyota uses A90 as the model code for the entire fifth-generation GR Supra platform (2020+), while engineers informally used A91 to designate the major 2021 mechanical update (382 hp, six-port exhaust manifold). Retail badges like A91 Edition, A91-CF Edition, and A91-MT Edition identify specific limited-production models. For used-car buying, evaluate the exact model year, engine architecture, transmission, DME build date, and vehicle history rather than relying on a listing’s shorthand label.
Quick Answer
Choose the 2020 GR Supra 3.0 if you want the earlier 335-hp, automatic-only setup, pre-June 2020 easily flashable DME tuning potential, and a lower entry cost. Choose a 2021–2022 3.0 if you want 382 hp, factory six-port exhaust-manifold hardware, and the first chassis retune. Choose a 2023 or newer 3.0 if you want the six-speed manual option, retuned steering, and refined suspension. Choose an official A91 special edition for unique colors, factory carbon-fiber aero, limited production runs, and documented originality.
Key Takeaways
- Power & Hardware: The 2020 3.0 makes 335 hp / 365 lb-ft with a two-port exhaust manifold (11:1 compression); 2021+ 3.0 models make 382 hp / 368 lb-ft with a six-port manifold (10.2:1 compression).
- ECU / DME Tuning Cutoff: Supras manufactured before June 2020 (06/2020) have readily bench-flashable ECUs; vehicles produced in or after June 2020 require specialized hardware bench unlocks (such as Femto).
- Official A91 Editions: Toyota released three limited editions: the 2021 A91 Edition (1,000 units), the 2022 A91-CF Edition (600 units, North America), and the 2023 A91-MT Edition (500 units, U.S., 6-speed manual).
- Transmission Options: The six-speed intelligent Manual Transmission (iMT) is available on 2023+ 3.0 models; 2020–2022 models are eight-speed automatic only.
- Four-Cylinder Context: The 255-hp GR Supra 2.0 (B48 engine) launched alongside the 2021 update as an entry model, distinct from the 3.0 six-port and A91 lines.
What Do A90 and A91 Mean on a Toyota Supra?
A90 and A91 are common enthusiast shorthand, but they do not replace official Toyota model-year and trim designations. Officially, the entire fifth-generation GR Supra platform is the A90 (internally coded J29/DB by BMW and Toyota). Toyota engineers informally referred to the heavily updated 2021 3.0 model as the A91 due to its revised engine hardware, increased boost, and reinforced chassis bracing.
Concurrently, Toyota applied “A91” as a marketing badge for three distinct, low-volume special editions. In 2021, Toyota also introduced an entry-level 2.0-liter turbocharged four-cylinder model (255 hp, 295 lb-ft, engine code B48), which carries chassis code DB22/DB82 and is separate from the 3.0 six-port update.
Buyer rule: Treat “A90” and “A91” as starting points only. Always confirm the exact model year, VIN production date sticker, window sticker, transmission type, engine code, and special-edition equipment before making a purchasing decision.
This guide uses 2020 3.0 for the original two-port configuration and 2021+ updated 3.0 for the 382-hp six-port vehicles. Specific limited editions are referenced by their official titles: A91 Edition, A91-CF Edition, and A91-MT Edition. For the complete lineup history, see the Toyota Supra trim-level guide.
Toyota Supra A90 vs A91 Quick Comparison
| Version | Best For | Key Factory Differences | Main Tradeoff |
|---|---|---|---|
| 2020 GR Supra 3.0 | Value entry point, pre-06/2020 ECU flashability, automatic builds | 335 hp, 365 lb-ft, 11:1 compression, 2-port exhaust manifold, ZF 8-speed automatic | Lower stock output (47 hp less); no manual option available |
| 2021–2022 GR Supra 3.0 | Higher factory horsepower without paying for manual/edition markup | 382 hp, 368 lb-ft, 10.2:1 compression, 6-port manifold, strut tower braces, ZF 8-speed auto | Locked DME if built 06/2020+; automatic only |
| 2021 A91 Edition | Refraction paint exclusivity and limited-run collector appeal | 1,000 units, Refraction/Nocturnal paint, carbon-fiber lip spoiler & mirror caps, blue interior stitching | Performance identical to standard 2021 3.0; command price premium |
| 2022 A91-CF Edition | Factory-integrated carbon aero package and rare production numbers | 600 units (North America), full carbon splitter, canards, rockers, duckbill, matte-black forged 19s | Expensive OEM carbon replacement parts if damaged |
| 2023+ GR Supra 3.0 | Manual transmission availability and refined suspension/steering | 382 hp, available 6-speed manual (iMT) or 8-speed auto, retuned EPS/AVS, active rear differential standard | Higher used market acquisition price |
| 2023 A91-MT Edition | Enthusiast collector targeting a factory limited manual | 500 U.S. units, 6-speed manual, Cognac leather, Matte White / CU Later Gray, Frozen Gunmetal wheels | Collector premiums over standard 2023 3.0 Premium manual |
What Is the Engine Difference Between the A90 and A91?
The core mechanical difference lies in the BMW B58 3.0-liter turbocharged inline-six cylinder head design and internal architecture:
- 2020 GR Supra 3.0 (B58B30C): Features a two-port integrated exhaust manifold, an 11.0:1 compression ratio, and factory output ratings of 335 hp at 5,000–6,500 rpm and 365 lb-ft of torque at 1,600–4,500 rpm.
- 2021+ GR Supra 3.0 (B58B30O1): Upgrades to a dual-branch, six-port cylinder head design with revised pistons that lower the compression ratio to 10.2:1. Boost pressure is increased, generating 382 hp at 5,800–6,500 rpm and 368 lb-ft of torque at 1,800–5,000 rpm.
Toyota projected that the higher output would drop the automatic 3.0’s 0–60 mph acceleration time from 4.1 seconds down to 3.9 seconds. Full specifications can be verified in Toyota’s 2021 GR Supra power and chassis release.
The practical difference is the stock baseline: the 2021+ six-port engine provides 47 more factory horsepower, superior top-end breathing, and lower compression for higher boost ceiling, while the 2020 two-port offers rapid low-end spool and earlier DME flash accessibility.
Reliability note: When inspecting early 2021 3.0 models, check dealer records for oil consumption tests. A subset of early production 6-port engines experienced higher-than-normal oil consumption addressed under Toyota/BMW service bulletins.
Which Official A91 Special Editions Did Toyota Sell?
2021 A91 Edition
The 2021 A91 Edition was limited to 1,000 units in North America (approximately 500 in Refraction Blue, exclusive to this model, and 500 in Nocturnal Black). It included a carbon-fiber rear lip spoiler, carbon mirror caps, matte-black 19-inch wheels, matte C-pillar graphics, and a black Alcantara/leather interior highlighted with blue contrast stitching and key accessories.
2022 A91-CF Edition
The 2022 A91-CF Edition was restricted to 600 units exclusively for North America. It added an extensive functional pre-preg carbon-fiber aero package: a front splitter with prominent canards, side aero skirts, rear canards, and an integrated duckbill rear spoiler. Finished with matte-black forged 19-inch wheels, red brake calipers, and a distinct red-and-black cabin, it is detailed in Toyota’s A91-CF Edition announcement.
2023 A91-MT Edition
Commemorating the introduction of the manual gearbox, the 2023 A91-MT Edition was limited to 500 units for the U.S. market. Available only in Matte White or CU Later Gray, it featured Cognac leather-trimmed sport seats, an exclusive Alcantara shift knob with GR badging, 19-inch Frozen Gunmetal forged wheels, and red strut-tower accents.
The manual transmission utilizes a larger-diameter clutch assembly with a reinforced diaphragm spring and a shorter 3.46 final-drive ratio (compared to 3.15 on the automatic). Further engineering specifics are detailed in Toyota’s 2023 GR Supra manual transmission announcement.
How Did Supra Chassis Tuning Change by Model Year?
Chassis engineering on the GR Supra evolved across three key stages:
- 2021 Revision: Added lightweight aluminum strut tower-to-radiator support braces, revised front/rear bump stops, retuned adaptive dampers, and reprogrammed EPS (electric power steering), AVS (Adaptive Variable Suspension), and Active Rear Differential mapping to reduce snap oversteer on bumpy transitions.
- 2023 Revision: Retuned shock absorbers, revised stabilizer bar bushings, updated steering rack calibration, and introduced the “Hairpin+” function for tighter corner exit rotation. The active rear sport differential was made standard across all 3.0 grades.
- 2026 Final Edition: Introduced larger front Brembo brakes, revised rear subframe rigidity bushings, and updated track-focused aero profiles.
What Handling Differences Should a Buyer Notice?
On standard road surfaces, 2021+ models feel more planted during mid-corner bumps due to the revised bump stops and front bracing. The 2023+ models exhibit more linear steering feel around center. However, on used models, tire brand, tread depth, alignment specs, and correct tire pressure have a larger immediate impact on handling feel than factory suspension programming.
| Model-Year Stage | Mechanical & Software Updates | Real-World Effect |
|---|---|---|
| 2020 Original | Initial spring/damper tuning, 2-port 335-hp engine calibration, open engine bay bracing | Playful rear-end rotation; firmer response over sharp bumps |
| 2021 Update | Aluminum radiator bracing, softer bump stops, retuned damper valving, updated VSC/AVS | Greater lateral stability and less bump steer mid-corner |
| 2023 Refinement | Manual transmission option, retuned EPS steering rack, Hairpin+ differential mode | More progressive breakaway characteristics and natural steering feel |
| 2026 Final Edition | Brembo brake upgrade, chassis rigidity stiffening, aero optimization | Peak factory track endurance and high-speed stability |
Which Is Better: Supra Automatic or Manual?
The choice between the ZF eight-speed torque-converter automatic and the six-speed manual comes down to straight-line speed versus driver involvement:
- Eight-Speed Automatic (2020+): Offers lightning-fast gear changes, seamless launch control, and superior fuel economy. It records the quickest factory 0–60 mph sprint (3.9 seconds for 2021+ 382-hp models; 4.1 seconds for 2020 335-hp models).
- Six-Speed Manual (2023+): Available on standard 3.0, 3.0 Premium, and A91-MT models. Engineered with an intelligent rev-matching system (iMT), it yields a 4.2-second 0–60 mph time and features a shorter 3.46 final drive to maximize mechanical engagement. See how the Supra rev-matching system works.
Which Supra Is Better for Tuning?
Tuning viability on the MkV platform depends on physical manufacturing dates and cylinder head architecture:
Critical ECU Lock Date: All BMW/Toyota Bosch MG1 ECUs manufactured before June 2020 (06/2020) can be bench-unlocked and flashed via standard OBD tuning platforms (Bootmod3, MHD, EcuTek). Vehicles built in or after June 2020 (06/2020+) feature factory-level encryption that cannot be unlocked by standard tools and require shipping the physical DME to specialized facilities (e.g., Femto) for bench unlocking.
- 2020 3.0 (Two-Port): Highly attractive to budget tuners. Most 2020 models possess pre-06/2020 ECUs, making them cheap and easy to tune. With a downpipe and flash tune, they routinely match or exceed stock 2021 power. The B58 engine tuning guide outlines turbo upgrade limits on the two-port head.
- 2021+ 3.0 (Six-Port): Offers a higher overall horsepower ceiling thanks to better exhaust flow from individual ports, larger stock turbo dimensions, and lower static compression (10.2:1). However, almost all 2021+ cars require a specialty DME unlock to run flash maps.
How Should You Choose Between an A90 and A91 Supra?
- Determine Tuning Intent vs. Warranty: If low-cost OBD flash tuning is your priority, look for a 2020 3.0 with a pre-06/2020 build date. If you want maximum stock factory power under warranty, buy a 2021+ 3.0.
- Select Your Transmission: If you must have a three-pedal manual, your search is restricted to 2023 or newer 3.0 models.
- Evaluate Collector Premiums: Pay extra for an A91, A91-CF, or A91-MT Edition only if the car is completely stock, carries clean documentation, retains its original wheels/aero parts, and features undamaged factory paint.
- Perform a Pre-Purchase Diagnostic: Scan the ECU/DME modules for historical flash counters, piggyback remnants, and over-rev logs.
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Price, Resale, and Valuation Framework
Used GR Supra pricing falls into three primary market tiers:
- Entry / Track-Build Tier (2020 3.0): Typically trades at the lowest price floor. Excellent value for enthusiasts planning suspension, turbo, and aftermarket aesthetic upgrades.
- Factory Performance Tier (2021–2022 3.0 Automatic): Commands a moderate price step over 2020 models for 382 factory horsepower and factory strut bracing without limited-edition markups.
- Premium & Collector Tier (2023+ 6MT & Official A91 Editions): The 2023 A91-MT (500 units) and 2022 A91-CF (600 units) represent peak collector interest. Preserving factory condition and paint integrity is critical to maintaining long-term resale value on these models.
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Used Supra Buying Checklist
- Verify Door-Jamb Build Date: Inspect the driver-side door certification sticker. A build date of 05/2020 or earlier confirms a pre-lock DME; 06/2020 or later indicates a locked DME requiring Femto-level unlock for flash tuning.
- Inspect 6-Port Oil Consumption (2021 Models): Check vehicle service history for oil consumption test records or dealer-replaced valve covers.
- Authenticate Special-Edition Hardware: For A91 editions, verify OEM factory carbon spoilers, authentic interior stitching, original badges, and matching serialized documentation.
- Check Safety Recalls: Review the VIN on the NHTSA recall database for outstanding brake assist software or fuel pump campaigns.
- Examine Suspension & Tire Wear: Inspect front tire shoulders and alignment specs for signs of heavy track abuse or curb impact.
- Perform Specialist Pre-Purchase Inspection: Have a BMW/Toyota specialist scan for shadow codes, DME tamper flags, and launch count data.
Which Toyota Supra Should You Buy?
Buy the 2020 GR Supra 3.0 if you want the most affordable entry point into the MkV chassis and desire easy, low-cost ECU flash tuning without bench unlock fees. Buy a 2021–2022 GR Supra 3.0 if you want 382 factory horsepower and updated chassis stability in a daily automatic. Buy a 2023+ GR Supra 3.0 if you demand a six-speed manual gearbox and the sharpest factory steering setup. Buy an official A91 Edition (2021, 2022 CF, or 2023 MT) only if you value verified rarity, exclusive paint options, and factory carbon components.
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Frequently Asked Questions
What is the main difference between the Supra A90 and A91?
A90 officially designates the entire fifth-generation GR Supra platform (2020+). Informally, enthusiasts use A90 to denote the 2020 two-port model (335 hp) and A91 to denote the 2021+ six-port model (382 hp) and its associated limited editions.
Are all 2021 and newer Supras A91 Editions?
No. Standard 2021+ 3.0 and 3.0 Premium models are not A91 Editions. Toyota produced specific limited runs: the 2021 A91 Edition (1,000 units), the 2022 A91-CF Edition (600 units), and the 2023 A91-MT Edition (500 units).
What distinguishes the 2021 A91 Edition?
The 2021 A91 Edition was limited to 1,000 units in Refraction Blue or Nocturnal Black with carbon-fiber mirror caps, a carbon lip spoiler, matte-black wheels, C-pillar striping, and blue interior trim.
What is the Supra A91-CF Edition?
The 2022 A91-CF was a 600-unit North American exclusive featuring a full carbon-fiber exterior aero package (front splitter, canards, side skirts, duckbill spoiler), forged wheels, and red/black interior trim.
What makes the A91-MT special?
The 2023 A91-MT is a 500-unit U.S. special edition pairing the 382-hp engine with a six-speed manual gearbox, Cognac leather seating, an Alcantara shift knob, and Matte White or CU Later Gray paint.
Why does the June 2020 build date matter for Supra tuning?
Supras built before June 2020 feature easily flashable Bosch ECUs. Supras manufactured from June 2020 onward have secure bootloaders that require specialized hardware bench unlocking (such as Femto) to enable OBD flash tuning.
Is the 2021+ Supra faster than the 2020 Supra?
Yes. In stock form, the 2021+ 3.0 produces 382 hp and accelerates from 0–60 mph in 3.9 seconds, compared to 335 hp and a 4.1-second sprint for the 2020 3.0 automatic.
What should you check on a used GR Supra before buying?
Check the door-jamb build date sticker (for ECU status), review oil consumption service records on 2021s, authenticate edition-specific parts, inspect for aftermarket flash flags, and verify open recalls via NHTSA.
Conclusion
Decoding the Toyota Supra A90 vs A91 debate requires looking past marketing labels and focusing on model-year mechanics. The 2020 model provides an accessible, easily tuneable two-port 335-hp baseline. The 2021–2022 models bring 382 factory horsepower and enhanced chassis bracing. The 2023+ models satisfy driver purists with an available six-speed manual. By matching your transmission preference, tuning roadmap, and valuation budget to the right model year, you ensure the best ownership experience from Toyota’s modern sports car.
Sources
- Toyota USA Newsroom: 2020 Supra product information — provides official specifications for the 335-hp engine, 11:1 compression ratio, and 2020 chassis dynamics.
- Toyota USA Newsroom: 2021 GR Supra power and chassis update — details the 382-hp six-port cylinder head upgrade, 10.2:1 compression, A91 Edition specifications, and 2.0L turbo model launch.
- Toyota USA Newsroom: 2022 A91-CF Edition — supports details for the 600-unit carbon-fiber limited edition.
- Toyota USA Newsroom: 2023 GR Supra manual transmission and A91-MT Edition — provides technical specs on the 6-speed manual, 3.46 final drive, and 500-unit A91-MT package.
- Toyota USA Newsroom: 2026 GR Supra MkV Final Edition — documents brake, suspension, and body rigidity revisions.
- NHTSA Recall Lookup — official source for VIN-based safety recall verification.
[…] a deeper model-year explanation, see the site’s A90 vs. A91 guide. For catalyst-specific symptoms and diagnostics, use the Supra catalytic converter […]